HESI LPN
Practice HESI Fundamentals Exam
1. A healthcare professional is preparing to administer 750 mL of 0.9% sodium chloride IV to infuse over 7 hr. The professional should set the infusion pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
- A. 107 mL/hr
- B. 120 mL/hr
- C. 95 mL/hr
- D. 100 mL/hr
Correct answer: A
Rationale: To calculate the infusion rate, divide the total volume (750 mL) by the total time (7 hr). 750 ÷ 7 ≈ 107 mL/hr. Choice A is correct because it accurately calculates the infusion rate based on the total volume and time. Choices B, C, and D are incorrect as they do not reflect the correct calculation for the infusion rate in this scenario.
2. A nurse in a provider's office is assessing a client who has heart failure. The client has gained weight since her last visit, and her ankles are edematous. Which of the following findings by the nurse is another clinical manifestation of fluid volume excess?
- A. Bounding pulse
- B. Decreased blood pressure
- C. Dry mucous membranes
- D. Weak pulse
Correct answer: A
Rationale: A bounding pulse is indicative of fluid volume excess. In this case, the client's weight gain and edematous ankles already suggest fluid volume overload. A bounding pulse occurs due to increased blood volume and pressure. Choices B, C, and D are not indicative of fluid volume excess. Decreased blood pressure, dry mucous membranes, and weak pulse are more commonly associated with conditions such as dehydration or hypovolemia, where there is a decrease in fluid volume rather than an excess.
3. A client is demonstrating postoperative deep breathing and coughing exercises to a client who will have emergency surgery for appendicitis. Which of the following statements indicates a lack of readiness to learn by the client?
- A. The client reports severe pain
- B. The client asks for a demonstration
- C. The client inquires about potential complications
- D. The client agrees to the procedure
Correct answer: A
Rationale: The correct answer is A because severe pain can hinder the client's ability to participate effectively in learning. Pain can be distracting and may prevent the client from focusing on acquiring new information or skills. Choice B is incorrect because asking for a demonstration shows an interest in learning and readiness to understand the exercises. Choice C is incorrect as inquiring about potential complications indicates the client's engagement in understanding the procedure and its outcomes, demonstrating readiness to learn. Choice D is incorrect as agreeing to the procedure does not necessarily reflect a lack of readiness to learn. The client may still be open to receiving information about postoperative care, indicating a level of readiness to learn despite agreeing to the surgery.
4. What is the most important action for the nurse to take to prevent infection in a client who has just returned from surgery with an indwelling urinary catheter in place?
- A. Change the catheter every 72 hours.
- B. Ensure the catheter tubing is free of kinks.
- C. Clean the perineal area with antiseptic solution daily.
- D. Irrigate the catheter with normal saline every shift.
Correct answer: B
Rationale: The most important action to prevent infection in a client with an indwelling urinary catheter is to ensure the catheter tubing is free of kinks. This action helps prevent obstruction, ensures proper drainage, and reduces the risk of infection. Changing the catheter every 72 hours is not necessary unless clinically indicated and may introduce unnecessary risk. Cleaning the perineal area with antiseptic solution daily is important for general hygiene but not the most critical action for catheter-related infection prevention. Irrigating the catheter with normal saline every shift is not a routine nursing intervention for catheter care and may increase the risk of introducing pathogens.
5. A client with a tracheostomy collar has a decrease in heart rate and oxygen saturation during tracheal suctioning. Which of the following actions should the nurse take?
- A. Elevate the head of the bed.
- B. Remove the inner cannula.
- C. Irrigate the stoma.
- D. Discontinue suctioning.
Correct answer: D
Rationale: The correct action for the nurse to take in this situation is to discontinue suctioning. Suctioning should be stopped immediately to prevent further decrease in heart rate and oxygen saturation. Elevating the head of the bed may help with oxygenation, but the priority is to stop the suctioning procedure. Removing the inner cannula or irrigating the stoma are not appropriate actions and could worsen the client's condition.
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